body {
    margin: 0;
    padding: 0;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: white;
}

header {
    margin-top:24px;
    margin-bottom: 24px;
}

.mid {
    display: flex;
    justify-content: center;
    align-items: center;
}

.active {
    color: #5fc77b;
 }

#teaser {
    width: 100%;
    height: 300px;
}

#teaser img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

@media screen and (min-width: 800px) {
    #teaser {
        height: 600px;
    }
 }

 nav {
    height: 70px;
    width: 100%;

    box-shadow: 0px 2px 4px rgba(0, 0, 0, 0.144);

    position: sticky;
    top: 0px;
    backdrop-filter: blur(5px);
 }

 nav ul {
    float: right;
 }

 nav li {
    display: inline-block;
    margin-top: 0px;
    margin-right: 24px;
 }

 nav li a {
    font-size: 24px;
    color: #333;
    text-decoration: none;
 }
 
 footer ul, div ul, nav ul{
    list-style: none;
    margin: 0;
    padding: 0;
    padding-top: 24px;
    padding-bottom: 24px;
 }

 footer ul li a, div ul li a{
    font-weight: 666;
    padding: 24px;
    text-decoration: none;
 }

 section {
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
    padding-left: 16px;
    padding-right: 16px;
 }